romstage.c File Reference

#include <program_loading.h>
#include <console/console.h>
#include <cbmem.h>
#include <soc/ti/am335x/sdram.h>
#include "ddr3.h"

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Go to the source code of this file.

Functions
void	main (void)

Variables
const struct ctrl_ioregs	ioregs_bonelt
static const struct ddr_data	ddr3_beagleblack_data
static const struct cmd_control	ddr3_beagleblack_cmd_ctrl_data
static struct emif_regs	ddr3_beagleblack_emif_reg_data

Function Documentation

main()

void main

(

void

)

Definition at line 47 of file romstage.c.

References BIOS_INFO, cbmem_initialize_empty(), config_ddr(), console_init(), ddr3_beagleblack_cmd_ctrl_data, ddr3_beagleblack_data, ddr3_beagleblack_emif_reg_data, ioregs_bonelt, printk, and run_ramstage().

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Variable Documentation

ddr3_beagleblack_cmd_ctrl_data

const struct cmd_control ddr3_beagleblack_cmd_ctrl_data

static

Initial value:

= {
        .cmd0csratio = MT41K256M16HA125E_RATIO,
        .cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
 
        .cmd1csratio = MT41K256M16HA125E_RATIO,
        .cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
 
        .cmd2csratio = MT41K256M16HA125E_RATIO,
        .cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
}

Definition at line 1 of file romstage.c.

Referenced by main().

ddr3_beagleblack_data

const struct ddr_data ddr3_beagleblack_data

static

Initial value:

= {
        .datardsratio0 = MT41K256M16HA125E_RD_DQS,
        .datawdsratio0 = MT41K256M16HA125E_WR_DQS,
        .datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE,
        .datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA,
}

Definition at line 1 of file romstage.c.

Referenced by main().

ddr3_beagleblack_emif_reg_data

struct emif_regs ddr3_beagleblack_emif_reg_data

static

Initial value:

= {
        .sdram_config = MT41K256M16HA125E_EMIF_SDCFG,
        .ref_ctrl = MT41K256M16HA125E_EMIF_SDREF,
        .sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1,
        .sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2,
        .sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3,
        .ocp_config = EMIF_OCP_CONFIG_BEAGLEBONE_BLACK,
        .zq_config = MT41K256M16HA125E_ZQ_CFG,
        .emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY,
}

Definition at line 1 of file romstage.c.

Referenced by main().

ioregs_bonelt

const struct ctrl_ioregs ioregs_bonelt

Initial value:

= {
        .cm0ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
        .cm1ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
        .cm2ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
        .dt0ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
        .dt1ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
}

Definition at line 1 of file romstage.c.

Referenced by main().